One more strange fact about me: mouse gestures give me sour tummy. Don't ask me how; I have no clue. I also can get sour tummy playing certain 3d games. I first noticed this with the original Unreal and Ultima: Ascension. Some more recent games don't give me much trouble. Others I can't play for more than five minutes straight, like Metroid Prime.

But at least 3d games makes sense somewhat, and I can find other people who get upset stomachs playing them. Mouse gestures seems to be completely irrational and have no basis in actual human physiology. However, it does affect me. But debugging mouse gestures is ten times worse.